MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 579
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MCIMX286CVM4B
Manufacturer Part Number
MCIMX286CVM4B
Description
IC MPU I.MX286 289MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX28r
Datasheets
1.MCIMX283DVM4B.pdf
(70 pages)
2.MCIMX283DVM4B.pdf
(2 pages)
3.MCIMX283DVM4B.pdf
(2327 pages)
4.MCIMX283DVM4B.pdf
(20 pages)
Specifications of MCIMX286CVM4B
Core Processor
ARM9
Core Size
32-Bit
Speed
454MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
Peripherals
DMA, I²S, LCD, POR, PWM, WDT
Program Memory Size
128KB (32K x 32)
Program Memory Type
Mask ROM
Ram Size
32K x 32
Voltage - Supply (vcc/vdd)
1.25 V ~ 5.25 V
Data Converters
A/D 17x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
289-LFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
- MCIMX283DVM4B PDF datasheet
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7.5.61 AHB to APBX DMA Channel 7 Debug Information
This register gives debug visibility for the APB and AHB byte counts for DMA Channel
7.
This register allows debug visibility of the APBX DMA Channel 7.
Address:
Re-
Freescale Semiconductor, Inc.
set
Bit
W
R
31
0
30
0
Field
29
0
(HW_APBX_CH7_DEBUG2)
HW_APBX_CH7_DEBUG2
28
0
27
0
HW_APBX_CH7_DEBUG1 field descriptions (continued)
26
0
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
25
APB_BYTES
0
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0C
0x0D
0x0E
0x0F
0x15
0x1C
0x1E
24
0
REQ_CMD2 — State in which the DMA is waiting to receive the second word of a command.
XFER_DECODE — The state machine processes the descriptor command field in this state
and branches accordingly.
REQ_WAIT — The state machine waits in this state for the PIO APB cycles to complete.
REQ_CMD4 — State in which the DMA is waiting to receive the fourth word of a command,
or waiting to receive the PIO words when PIO count is greater than 1.
PIO_REQ — This state determines whether another PIO cycle needs to occur before starting
DMA transfers.
READ_FLUSH — During a read transfers, the state machine enters this state waiting for the
last bytes to be pushed out on the APB.
READ_WAIT — When an AHB read request occurs, the state machine waits in this state
for the AHB transfer to complete.
WRITE — During DMA Write transfers, the state machine waits in this state until the AHB
master arbiter accepts the request from this channel.
READ_REQ — During DMA Read transfers, the state machine waits in this state until the
AHB master arbiter accepts the request from this channel.
CHECK_CHAIN — Upon completion of the DMA transfers, this state checks the value of
the Chain bit and branches accordingly.
XFER_COMPLETE — The state machine goes to this state after the DMA transfers are
complete, and determines what step to take next.
WAIT_END — When the Wait for Command End bit is set, the state machine enters this
state until the DMA device indicates that the command is complete.
WRITE_WAIT — During DMA Write transfers, the state machine waits in this state until the
AHB master completes the write to the AHB memory space.
CHECK_WAIT — If the Chain bit is a 0, the state machine enters this state and effectively
halts.
23
0
22
0
21
0
8002_4000h base + 470h offset = 8002_4470h
20
0
19
0
18
0
17
0
Chapter 7 AHB-to-APBX Bridge with DMA (APBX-Bridge-DMA)
16
0
15
0
14
0
Description
13
0
12
0
11
0
10
0
AHB_BYTES
0
9
0
8
0
7
0
6
0
5
0
4
3
0
0
2
0
1
579
0
0
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